Connector Kits

Connector kits cover the field-wireable plugs, sockets, and patch cables that interface sensors, actuators, and I/O modules with the wiring harnesses on industrial equipment. Enicstra stocks M8 and M12 standards alongside legacy connector formats from Phoenix Contact, Binder, Lumberg, Murr Elektronik, ifm efector, and other manufacturers — both current production and discontinued part numbers.

Inventory includes 3-pin, 4-pin, 5-pin, and 8-pin connectors in straight and 90-degree configurations; with and without integrated LED status indicators; molded versus field-wireable; and IP65 through IP69K sealing ratings. Cable assemblies cover PVC, PUR, and TPE jackets in common lengths plus extended runs. Each kit ships with documented pin assignments and is backed by our 12-month functional warranty.

Connector pinouts vary between manufacturers even within the same M12 standard — A-coded, B-coded, D-coded for Ethernet, and X-coded for higher speeds are not interchangeable. If you need a connector that isn't listed or aren't sure which coding matches your sensor, send the existing part number and we'll confirm. Most quote inquiries reply within 1–2 business days.

Facets Filter

Connector Kits

Home >
Connectors and Interconnects >
Connector Kits

Sorry, no results found.

Suggestions:

Double-check spelling, part number, or keywords
Try different or more general search terms
Browse by category or manufacturer

Need Assistance?

Can’t find the part you’re looking for? Please click the button below to request a quote — our team will respond promptly.

New to Enicstra?

We provide one of the largest selections of industrial automation and electronic components, available and ready to ship worldwide. Whether you’re prototyping or scaling to full production, we’re here to support innovation every step of the way.

At Enicstra, we’re known for:

Wide Product Availability
Reliable and Timely Shipping
Exceptional Service Performance
A User-Friendly, Engineer-Focused Experience

Can't Find The Part You Need?

Send us the part number, manufacturer, quantity, and condition — we'll locate it.

Request a Quote

Buying guide

Choosing Connector Kits components

The biggest source of connector mistakes is assuming all M12 connectors interchange. They don't. The mechanical thread is the same, but the pin coding determines what signals can pass — A-coded for sensors, B-coded for fieldbus, D-coded for Ethernet, X-coded for high-speed Ethernet/PoE. Plugging the wrong coding into the wrong socket either won't seat or will damage pins.

Specifications to confirm before ordering:

Connector standard (M8, M12, 7/8 inch, or proprietary)
Coding (A, B, D, X) — verify against the sensor or device data sheet
Pin count (3, 4, 5, 8, 12, or 17)
Pinout assignment — manufacturer data sheets vary even within a standard
Male (pins) versus female (sockets)
Straight versus 90-degree body
Field-wireable (screw or push-in terminals) versus molded
Cable jacket — PVC for indoor, PUR for oil/abrasion, TPE for drag-chain
IP rating — IP65 for most factory floors, IP67 or IP69K for washdown
LED indicators and operating voltage

Common selection patterns:

Sensor connection: M12 A-coded, 4-pin or 5-pin, PUR jacket
Industrial Ethernet: M12 D-coded (100 Mbps) or X-coded (1 Gbps+)
Fieldbus (Profibus, DeviceNet, CANopen): M12 B-coded, 5-pin
Power and I/O combined: M12 K-coded or L-coded for higher current
Compact sensor wiring: M8, 3-pin or 4-pin

If you're working with legacy installations, older connector formats (DIN-style, larger 7/8-inch cylindrical) are still supported — but verify what's actually on the device before assuming standardization.

Related categories Frequently asked questions

Are all M12 connectors interchangeable?

No — and this is the most common source of wiring failures. The mechanical thread is the same across A-, B-, D-, and X-coded M12 connectors, but the pin layouts differ. A-coded is for sensors and DC signals; B-coded is for fieldbus; D-coded is for Fast Ethernet; X-coded is for Gigabit and PoE. Forcing the wrong coding into a socket may seat but the signals won't work.

Can you supply obsolete connector part numbers?

Yes. Discontinued connector kits and cable assemblies from Phoenix Contact, Binder, Lumberg, and others are commonly available through our supplier network. Send the part number and we'll check availability.

Are field-wireable connectors faster to install than molded?

Field-wireable connectors take longer per termination (5–10 minutes each) but let you cut cables to exact length on site. Molded connectors are factory-sealed and ship ready to plug in — faster on a single job, but only available in standard cable lengths. For prototyping or retrofitting an existing installation, field-wireable is usually the right choice.

Do connector kits include the cable?

It varies. Some products are connector only; others are pre-built assemblies. The product page lists what's included. If you need a custom configuration, ask before ordering.

What IP rating do I need?

IP65 is fine for most factory floors and indoor automation. IP67 (temporary submersion) suits washdown areas. IP69K (high-pressure, high-temperature washdown) is required for food, dairy, and pharma applications. Lower-rated connectors used in wet environments will fail within months.